Read Sony ZS-YN7 Service Manual online
11
ZS-YN7
SECTION 4
TEST MODE
CD TEST MODE
Procedure:
1. Press the [POWER] button to turn the power on.
2. Select the CD test mode by momentarily shorting both of TAP
2. Select the CD test mode by momentarily shorting both of TAP
(TEST A).
Refer to CD section of ELECTRICAL ADJUSTMENT (see
page 14) for details of operation in this mode.
LCD TEST MODE
Procedure:
1. Press the [POWER] button to turn the power on.
2. Set the LCD test mode by momentarily shorting both of TAP
2. Set the LCD test mode by momentarily shorting both of TAP
(TEST B) on the MAIN board and the version of micro-
computer is displayed.
computer is displayed.
3. Then all segments on and all segments off are repeated for 10
seconds alternately.
4. To release the LCD test mode, press the [POWER] button to
turn the power off.
Connecting Location:
– MAIN Board (Conductor Side) –
TAP
(TEST B)
TAP
(TEST A)
CN805
IC301
CN804
CN803
CN904
Click on the first or last page to see other ZS-YN7 service manuals if exist.